docker run -d --name=ntp \
  --restart=always \
  --publish=123:123/udp \
  -e TZ=Asia/Shanghai \
  -e NTP_SERVERS="ntp.aliyun.com" \
  -e ENABLE_NTS=true \
  -e LOG_LEVEL=0 \
  simonrupf/chronyd



# docker exec ntp chronyc sources
# docker exec ntp chronyc sourcestats
